CN105952406A - Rock bottom cutting coring bit - Google Patents
Rock bottom cutting coring bit Download PDFInfo
- Publication number
- CN105952406A CN105952406A CN201610315645.3A CN201610315645A CN105952406A CN 105952406 A CN105952406 A CN 105952406A CN 201610315645 A CN201610315645 A CN 201610315645A CN 105952406 A CN105952406 A CN 105952406A
- Authority
- CN
- China
- Prior art keywords
- barrel
- coring bit
- hollow pipe
- rope saw
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011435 rock Substances 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000005553 drilling Methods 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 239000010431 corundum Substances 0.000 claims description 3
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000011324 bead Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000012806 monitoring device Methods 0.000 description 3
- 230000000750 progressive effect Effects 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/10—Formed core retaining or severing means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/02—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being insertable into, or removable from, the borehole without withdrawing the drilling pipe
- E21B25/04—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being insertable into, or removable from, the borehole without withdrawing the drilling pipe the core receiver having a core forming cutting edge or element, e.g. punch type core barrels
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a rock bottom cutting coring bit comprising a flange and a barrel; the flange is fixed on the barrel; a control room and a transmission room are arranged in the barrel; a motor, a decelerator, a limit switch, a stroke controller, a wireless monitor device and a wireless switch controller are arranged in the control room; the transmission room is arranged below the control room; a main rope pulley, a main chain wheel, a chain and an auxiliary chain wheel are arranged in the transmission room; a seal structure is arranged between the control room and the transmission room; the barrel wall of the barrel is provided with a vertical rotating shaft, and the auxiliary chain wheel is arranged on the top of the rotating shaft; the drill bit is also provided with a hollow tube and a rope saw; the hollow tube is arranged in the barrel wall and parallel to the rotating shaft; the top and bottom of the hollow tube are provided with an auxiliary rope pulley; the rope saw is provided with a plurality of beads; the most bottom of the barrel wall is the drill bit; the rock bottom cutting coring bit is fast in coring speed, can remove the whole core body, can reduce a cutting area, can improve work efficiency, is low in power consumption, low in cost, low in engineering cost, very practical, and can vertically drill or horizontally drive.
Description
Technical field
The present invention relates to drilling project technical field, a kind of coring bit for deep rock geology aspect probing task, particularly can cut coring bit bottom the rock then core monoblock proposed by cutting off bottom rock during coring.
Background technology
The drill bit used in drilling project at present, when drilling rock aspect, generally has three kinds of methods to be taken out by rock core body: first method is first core body to be pulverized, and water filling the most again mixes stone slurry, and reacting cycle is extracted out；Second method is first to be pulverized by rock core body, then proposes with drilling tool；The third method is, with jump bit, core is pounded into stone slurry, extracts out with slush pump the most again.These three method is required for pulverizing rock core body, and when do so causes probing, the area of cut is very big, extremely inefficient, and energy consumption is big, wastes time and energy, and cost is high.
In view of drawbacks described above, the present invention proposes to cut bottom a kind of rock coring bit, only need to carry out drilling along the excircle of core body, with cutting edge bottom drill bit, may utilize cutting edge by fast shut-off bottom core body, quickly core body monoblock proposed during coring.When the drill bit of the present invention is drilled, the area of cut is about 5-20/mono-of the conventional drill area of cut, greatly reduces power consumption, improves work efficiency, significantly reduce cost, decrease construction costs, and very clear to geological condition during probing, very useful.
Summary of the invention
It is an object of the invention to, it is provided that bottom a kind of rock, cut coring bit, quickly core body monoblock can be taken out, substantially reduce the area of cut, improve work efficiency, power consumption is few, reduces cost, decrease construction costs, and very clear to geological condition during probing, very useful.
The object of the invention to solve the technical problems realizes by the following technical solutions.
According to cutting coring bit bottom a kind of rock that the present invention proposes, including flange 1 and cylinder, wherein, described flange 1 is fixed in the upper end of cylinder, the inside of cylinder is provided with control room 11 and Transmission Room 20, is provided with motor 2, decelerator 3, limit switch 4, travel control device 5, wireless monitoring device 6 and wireless switch controller 7 in control room 11；The lower section of control room is Transmission Room 20, is provided with main rope sheave 14, main chain wheel 15, chain 16 and secondary chain wheel 17, is provided with sealing structure 13 between control room 11 and Transmission Room 20 in Transmission Room；
The shape of cross section of cylinder is annular, and the barrel 23 of cylinder is provided with vertical rotary shaft 8, and secondary chain wheel 17 is located at the upper end of rotary shaft；
Being additionally provided with hollow pipe 9 and rope saw 10 on this drill bit, described hollow pipe 9 is located in barrel parallel with rotary shaft 8, and the top and bottom of hollow pipe 9 are provided with secondary rope sheave 12, and rope saw is provided with some beading 19；The lowermost end of barrel is drill bit 18.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Cutting coring bit bottom aforesaid a kind of rock, wherein, the inwall of barrel bottom is provided with groove 21, described groove 21 is arranged along the circumference at barrel place, the epimere of rope saw 10 is positioned at Transmission Room 20, and the stage casing of rope saw is positioned at hollow pipe 9, and the hypomere of rope saw is embedded in groove 21.
Cutting coring bit bottom aforesaid a kind of rock, wherein, one end of rope saw 10 is fixed on main rope sheave 14, and the other end is fixed in groove；Described rope saw is wound in main rope sheave 14, walks around the secondary rope sheave 12 of hollow pipe 9 upper end afterwards, arrives the lower end of hollow pipe through hollow pipe 9, and walk around the secondary rope sheave of hollow pipe lower end, fixes then along groove.
Coring bit is cut bottom aforesaid a kind of rock, wherein, barrel bottom is provided with the drilling tool 22 of annular, the bottom surface of drilling tool is drill bit 18, the inner side of drilling tool is provided with groove 21, and this groove of tailing edge of the secondary rope sheave that hollow pipe lower end walked around by rope saw is fixed, and the upper bottom surface of drilling tool is provided with a button 24, the lower end of barrel 23 is inserted propping up of drilling tool upper bottom surface and is smashed, and barrel 23 and drilling tool 22 is fixed by welding.
Cutting coring bit bottom aforesaid a kind of rock, wherein, the lower end of rotary shaft is positioned at the inner side of rope saw hypomere.
Cutting coring bit bottom aforesaid a kind of rock, wherein, the central angle number of degrees corresponding to the circular arc between hollow pipe and rotary shaft are 30 °, rope saw in groove around central angle logarithm corresponding to circular arc be 300 °.
Cutting coring bit bottom aforesaid a kind of rock, wherein, to when cutting bottom core body, the direction of barrel rotation is consistent with the direction of rotary shaft 8 rotation, and the sense of rotation of rotary shaft 8 is consistent with the direction of groove inner rope saw movement.
Cutting coring bit bottom aforesaid a kind of rock, wherein, the number of described limit switch is 2, and the material of beading is corundum.
Cutting coring bit bottom aforesaid a kind of rock, wherein, the thickness of barrel is 10-30mm, and the inside diameter of cylinder is 0.4-10m, and the height of cylinder is 0.5-10m.
Cutting coring bit bottom aforesaid a kind of rock, wherein, this coring bit is vertically drilled or level driving.
The present invention compared with prior art has clear advantage and beneficial effect, by technique scheme, cutting coring bit bottom a kind of rock of the present invention and can reach suitable technological progress and practicality, and have the extensive value in industry, it at least has the advantage that
(1) the drill bit probing of the present invention and the speed of coring are fast, drill bit different from the past needs first to pulverize core body when probing, water filling mixes mud extraction again, but only need to cut along the circumference of core body, when needing coring, use the present invention distinctive cutting core-taking technology, by fast shut-off bottom core body, then core body monoblock taking out under the lifting of rope saw coring speed fast, power consumption is few.
(2) present configuration is simple, easy to operate, due to the structure that the present invention is special, makes the area of cut of probing be greatly reduced, effectively reduces energy source and power consumption, thus reduce energy consumption, reduces construction costs, has great economic benefit.
(3) drilling rate of the present invention is fast, and coring speed is fast, substantially increases work efficiency, it is possible to the effectively reduction of erection time, has the technique effect of excellence with the most progressive, it is possible to needed for meeting society, thus have great practicality, be suitable to be widely popularized use.
(4) present invention is particularly suitable for the probing work of deep rock geology aspect, can be used for the deep drilling explorations such as deep well, oil well and natural gas, can also be used for the probing of the rock pile foundation plinth pore-forming of high ferro, highway and building pile foundation construction field, or the probing task in the horizontal pore-forming field such as water conservancy, culvert, cavern, cave dwelling, and the present invention is provided that the analysis material of level directly perceived in terms of geology, historical relic exploration analysis, one brill is multiplex, is the coring bit of a kind of high-efficiency multi-function.
In sum, cutting coring bit bottom one rock of the present invention has the most progressive technically, and has obvious good effect, is really a new and innovative, progressive, practical new invention design.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, and can be practiced according to the content of description, and in order to the above and other objects, features and advantages of the present invention can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Accompanying drawing explanation
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the structure diagram of Transmission Room of the present invention.
Fig. 3 is the schematic diagram when resting state of the rope saw in groove of the present invention.
Fig. 4 is the schematic diagram when cut state of the rope saw in groove of the present invention.
Fig. 5 is the partial sectional view of the present invention.
[main element symbol description]
1: flange 2: motor
3: decelerator 4: limit switch
5: travel control device 6: wireless monitoring device
7: wireless switch controller 8: rotary shaft
9: hollow pipe 10: rope saw
11: control room 12: secondary rope sheave
13: sealing structure 14: main rope sheave
15: main chain wheel 16: chain
17: secondary chain wheel 18: drill bit
19: beading 20: Transmission Room
21: groove 22: drilling tool
23: barrel 24: a button
Detailed description of the invention
By further illustrating the technological means and effect that the present invention taked by reaching predetermined goal of the invention, below in conjunction with accompanying drawing and preferred embodiment, to cutting coring bit bottom a kind of rock proposed according to the present invention, its detailed description of the invention, structure, feature and effect thereof, after describing in detail such as.
The quick coring bit structure diagram of the present invention is as shown in Figure 1, including flange 1 and cylinder, described flange 1 is fixed in the upper end of cylinder, the inside of cylinder is provided with control room 11 and Transmission Room 20, is provided with motor 2, decelerator 3, limit switch 4, travel control device 5, wireless monitoring device 6 and wireless switch controller 7 in control room 11；The lower section of control room is Transmission Room 20, is provided with main rope sheave 14, main chain wheel 15, chain 16 and secondary chain wheel 17 in Transmission Room 20, for sealing structure 13 between control room 11 and Transmission Room 20, can prevent water and foreign material from entering control room；
The shape of cross section of cylinder is annular, and the barrel of cylinder is provided with vertical rotary shaft 8, and secondary chain wheel 17 is positioned at the upper end of rotary shaft 8, and the lower end of rotary shaft 8 is positioned at the bottom of barrel；Chain 16 is wrapped on main chain wheel and secondary chain wheel, and under dynamic action, main chain wheel is rotated by chain-driving pair chain wheel, so that rotary shaft carries out rotation；
The inwall of barrel bottom is provided with groove 21, and groove is arranged along the circumference at barrel place；
Being additionally provided with hollow pipe 9 and rope saw 10 on this drill bit, described hollow pipe 9 is located in barrel and is be arranged in parallel with rotary shaft 8, and the top and bottom of hollow pipe 9 are provided with secondary rope sheave 12；One end of rope saw 10 is fixed on main rope sheave 14, the other end is fixed in groove, rope saw is wound in main rope sheave 14, walks around secondary rope sheave 12 afterwards and arrives hollow pipe lower end through hollow pipe 9, and groove along barrel bottom is fixed after again walking around the secondary rope sheave of hollow pipe lower end；Rope saw 10 is provided with some beading 19；The lowermost end of barrel is drill bit 18, and drill bit 18 is used for the task of drilling.
Rope saw can be divided into three parts: epimere, stage casing and hypomere, epimere is positioned at Transmission Room 20, and stage casing is positioned at hollow pipe, and hypomere is positioned at groove；The number of rotary shaft 8 is 1, and its lower end is positioned at the inner side of hypomere rope saw, and rotary shaft sense of rotation is consistent with groove inner rope saw moving direction, and so, when to cutting bottom core body, the rotation of rotary shaft can promote the movement of rope saw, thus accelerate cutting speed.
Described flange is connected with outside power motor (hydraulic motor), during probing, under the effect of power motor, barrel rotation is also pushed ahead, reach the purpose of probing, during probing, only need to cut along the circumference of core body, therefore, substantially reduce the area of cut, improve work efficiency, decrease power consumption, reduce construction costs.
When probing end needs coring, first to cut bottom core body, motor 2 drives main rope sheave and main chain wheel to rotate, rope saw 10 is driven and is wound in main rope sheave 14, make rope saw part in hollow pipe move up, and then make rope saw part in groove move to the center of circle to cut, simultaneously, rotary shaft rotation under the drive of chain wheel, rotary shaft rotation can promote the movement of rope saw；During cutting, barrel is still in rotation, thus band running rope saw moves cutting along the direction of barrel rotation simultaneously, that is: rope saw cuts along the direction of barrel rotation and the direction in the center of circle, barrel place simultaneously, when saw cut of restricting causes the center of circle, core body is completely severed, stops cutting task, starting coring task, core body is taken out by monoblock under the lifting of rope saw.
It is preferred that described motor is direct current torque motor, described control room is all-sealed structure.
It is preferred that the central angle number of degrees corresponding to circular arc between hollow pipe 9 and rotary shaft 8 are 30 °；Rope saw 10 in groove around central angle logarithm corresponding to circular arc be 300 °.
It is preferred that the direction of barrel rotation is consistent with the direction of rotary shaft rotation.
It is preferred that the material of described beading 19 is corundum, drill bit is diamond bit.
It is preferred that the thickness of described barrel is 10-30mm, the inside diameter of cylinder is 0.4-10m, and the height of cylinder is 0.5-10m.
It is preferred that the number of described limit switch is 2.
A kind of structure of the present invention is: other structures are constant, barrel bottom is provided with the drilling tool 22 of annular, the bottom surface of drilling tool is drill bit 18, the inner side of drilling tool is provided with groove 21, this groove of tailing edge of the secondary rope sheave that hollow pipe lower end walked around by rope saw is fixed, and the upper bottom surface of drilling tool is provided with a button 24, and the projection of barrel 23 lower end can be inserted into propping up of drilling tool upper bottom surface and smashs, then by welding, barrel 23 and drilling tool 22 are fixed, as shown in Figure 5.
The coring bit of the present invention can vertically be drilled or level driving task, thus expands its range, it is possible to meets more use requirement, reaches the purpose that a brill is multiplex.
The above, it it is only presently preferred embodiments of the present invention, not the present invention is made any pro forma restriction, although the present invention is disclosed above with preferred embodiment, but it is not limited to the present invention, any those skilled in the art, in the range of without departing from technical solution of the present invention, when the technology contents of available the disclosure above makes a little change or is modified to the Equivalent embodiments of equivalent variations, in every case it is the content without departing from technical solution of the present invention, any simple modification above example made according to the technical spirit of the present invention, equivalent variations and modification, all still fall within the range of technical solution of the present invention.
Claims (10)
1. cut a coring bit bottom rock, including flange (1) and cylinder, it is characterised in that described method
Blue (1) is fixed in the upper end of cylinder, and the inside of cylinder is provided with control room (11) and Transmission Room (20), controls
Motor (2), decelerator (3), limit switch (4), travel control device (5), nothing it is provided with in room (11)
Line supervising device (6) and wireless switch controller (7)；The lower section of control room is Transmission Room (20), Transmission Room
(20) it is provided with main rope sheave (14), main chain wheel (15), chain (16) and secondary chain wheel (17) in, controls
Sealing structure (13) it is provided with between room (11) and Transmission Room (20)；
The shape of cross section of cylinder is annular, and the barrel (23) of cylinder is provided with vertical rotary shaft (8),
Secondary chain wheel (17) is positioned at the upper end of rotary shaft (8)；
Be additionally provided with on this drill bit hollow pipe (9) and rope saw (10), described hollow pipe (9) be located in barrel with
Rotary shaft (8) is parallel, and the top and bottom of hollow pipe (9) are provided with secondary rope sheave (12), on rope saw (10)
It is provided with some beading (19)；The lowermost end of barrel is drill bit (18).
2. coring bit as claimed in claim 1, it is characterised in that the inwall of barrel bottom is provided with groove
(21), described groove (21) is arranged along the circumference at barrel place, and the epimere of rope saw (10) is positioned at Transmission Room
(20), the stage casing of rope saw is positioned at hollow pipe (9), and the hypomere of rope saw is embedded in groove (21).
3. coring bit as claimed in claim 1 or 2, it is characterised in that one end of rope saw (10) is fixed
On main rope sheave (14), the other end is fixed in groove (21)；Described rope saw is wound in main rope sheave (14),
Walk around the secondary rope sheave (12) of hollow pipe (9) upper end afterwards, arrive the lower end of hollow pipe through hollow pipe (9),
And walk around the secondary rope sheave of hollow pipe lower end, fix then along groove.
4. the coring bit as described in claim 1 or 3, it is characterised in that barrel bottom is provided with annular
Drilling tool (22), the bottom surface of drilling tool is drill bit (18), and the inner side of drilling tool is provided with groove (21), and rope saw is walked around
This groove of tailing edge of the secondary rope sheave of hollow pipe lower end is fixed, and the upper bottom surface of drilling tool is provided with a button (24), barrel (23)
Lower end insert smashing of drilling tool upper bottom surface, by welding by fixing to barrel (23) and drilling tool (22).
5. the coring bit as described in claim 1-4, it is characterised in that the lower end of rotary shaft (8) is positioned at
The inner side of rope saw hypomere.
6. the coring bit as described in claim 1-4, it is characterised in that hollow pipe (9) and rotary shaft (8)
Between the central angle number of degrees corresponding to circular arc be 30 °, rope saw (10) in groove (21) around circular arc
Corresponding central angle logarithm is 300 °.
7. the coring bit as described in claim 1-4, it is characterised in that to bottom core body cutting time, barrel
The direction of rotation is consistent with the direction of rotary shaft (8) rotation, in the sense of rotation of rotary shaft (8) and groove
The direction of rope saw movement is consistent.
8. coring bit as claimed in claim 1, it is characterised in that the number of described limit switch (4)
It it is 2；The material of beading (19) is corundum.
9. coring bit as claimed in claim 1, it is characterised in that the thickness of barrel (14) is 10-30mm,
The inside diameter of cylinder (15) is 0.4-10m, and the height of cylinder (15) is 0.5-10m.
10. coring bit as claimed in claim 1, it is characterised in that this coring bit is vertically drilled or water
Flat driving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610315645.3A CN105952406B (en) | 2016-05-12 | 2016-05-12 | Cut coring bit in a kind of rock bottom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610315645.3A CN105952406B (en) | 2016-05-12 | 2016-05-12 | Cut coring bit in a kind of rock bottom |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105952406A true CN105952406A (en) | 2016-09-21 |
| CN105952406B CN105952406B (en) | 2018-05-18 |
Family
ID=56912499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610315645.3A Expired - Fee Related CN105952406B (en) | 2016-05-12 | 2016-05-12 | Cut coring bit in a kind of rock bottom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105952406B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761512A (en) * | 2016-12-28 | 2017-05-31 | 深圳市盛业地下工程有限公司 | Rock core cutter sweep and construction method |
| CN108119081A (en) * | 2018-02-28 | 2018-06-05 | 山东科技大学 | A kind of New Rock samples dedicated water drill bit |
| CN109715326A (en) * | 2016-09-23 | 2019-05-03 | 喜利得股份公司 | Coring bit |
| CN110242235A (en) * | 2019-06-25 | 2019-09-17 | 中国铁建重工集团股份有限公司 | A kind of disconnected core extraction element of major diameter |
| CN111365012A (en) * | 2020-04-22 | 2020-07-03 | 中铁工程装备集团有限公司 | Novel heading machine and construction method thereof |
| CN111502580A (en) * | 2020-04-09 | 2020-08-07 | 东北大学 | Device and method for drilling broken rock mass to extract rock core |
| CN112041537A (en) * | 2018-05-02 | 2020-12-04 | Bp探索操作有限公司 | Method for extracting cores from impacting sidewall core shells for digital tomographic description and direct numerical simulation |
| CN115096640A (en) * | 2022-06-20 | 2022-09-23 | 青岛地质工程勘察院(青岛地质勘查开发局) | Glutenite probing sampling device for hydrogeological exploration |
| CN118010408A (en) * | 2024-04-09 | 2024-05-10 | 河南工学院 | Concrete strength detection device |
| CN118010408B (en) * | 2024-04-09 | 2024-07-02 | 河南工学院 | Concrete strength detection device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109715326A (en) * | 2016-09-23 | 2019-05-03 | 喜利得股份公司 | Coring bit |
| US11097358B2 (en) | 2016-09-23 | 2021-08-24 | Hilti Aktiengesellschaft | Core drill bit |
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| CN112041537A (en) * | 2018-05-02 | 2020-12-04 | Bp探索操作有限公司 | Method for extracting cores from impacting sidewall core shells for digital tomographic description and direct numerical simulation |
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| CN111502580A (en) * | 2020-04-09 | 2020-08-07 | 东北大学 | Device and method for drilling broken rock mass to extract rock core |
| CN111502580B (en) * | 2020-04-09 | 2021-06-08 | 东北大学 | Device and method for drilling broken rock mass to extract rock core |
| CN111365012A (en) * | 2020-04-22 | 2020-07-03 | 中铁工程装备集团有限公司 | Novel heading machine and construction method thereof |
| CN115096640A (en) * | 2022-06-20 | 2022-09-23 | 青岛地质工程勘察院(青岛地质勘查开发局) | Glutenite probing sampling device for hydrogeological exploration |
| CN115096640B (en) * | 2022-06-20 | 2024-05-10 | 青岛地质工程勘察院(青岛地质勘查开发局) | Sand stone drilling sampling device for hydrogeological exploration |
| CN118010408A (en) * | 2024-04-09 | 2024-05-10 | 河南工学院 | Concrete strength detection device |
| CN118010408B (en) * | 2024-04-09 | 2024-07-02 | 河南工学院 | Concrete strength detection device |
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| CN105952406B (en) | 2018-05-18 |
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